Studies Cement Value of HIV Prophylaxis

SEATTLE -- Pre-exposure prophylaxis (PrEP) with a single pill prevented HIV infection among more than 85% of two groups of men who have sex with men, according to two studies presented here.

The studies attempted to approximate a real-world use of oral PrEP and both had surprisingly high efficacy rates -- 86% in both cases, researchers reported at the 2015 Conference on Retroviruses and Opportunistic Infections.